The Graco 226289 Fire-Ball 425 50:1 ratio stationary grease piston pump is engineered for high-volume applications requiring long-distance lubricant transfer. Designed specifically for 400 lb (180 kg) drums, this heavy-duty pneumatic pump features a large 4.25-inch air motor to deliver consistent pressure and flow for demanding vehicle service environments. Its robust construction minimizes wear and maintenance, ensuring long-term reliability in fleet maintenance shops and industrial plants. The non-corrosive air motor design utilizes a liquid-soft start feature to prevent pressure spikes, extending the service life of both the pump and connected dispensing components. Key specifications include a maximum fluid pressure of 7500 psi (517 bar) and a maximum air input pressure of 150 psi. This stationary configuration provides a permanent solution for centralized grease systems. Trust the Graco Fire-Ball 425 for superior durability, high-pressure performance, and efficient grease delivery from large-scale containers. It is the industry standard for high-volume lubrication tasks.